<!DOCTYPE HTML>
<html>

<head>
    <meta charset="utf-8">
    <title>菜鸟教程(runoob.com)</title>

    <script type="text/javascript">
        var ws = null

        function sent (time) {
            if (ws != null) {
                ws.send("发送数据" + time)
            }
        }

        function WebSocketTest () {
            if ("WebSocket" in window) {
                console.log("您的浏览器支持 WebSocket!")

                // 打开一个 web socket
                if (ws == null) {
                    ws = new WebSocket("ws://localhost:8080/myWs?token=3449")
                    // ws = new WebSocket("wss://www.microoak.cn/ptusers/myWs?token=3449")
                    // ws = new WebSocket("ws://localhost:8081")
                    // ws = new WebSocket("ws://localhost:8080/ws")
                }

                ws.onopen = function () {
                    // Web Socket 已连接上，使用 send() 方法发送数据
                    ws.send("发送数据")
                    console.log("数据发送中...")
                }

                ws.onmessage = function (evt) {
                    var received_msg = evt.data
                    console.log("数据已接收...: ",received_msg)
                }

                ws.onclose = function () {
                    // 关闭 websocket
                    console.log("连接已关闭...")
                    ws = null
                }

            } else {
                // 浏览器不支持 WebSocket
                alert("您的浏览器不支持 WebSocket!")
            }
        }


    </script>

</head>

<body>

    <div id="sse">
        <a href="javascript:WebSocketTest()">运行 WebSocket</a>
    </div>


    <div id="sse1">
        <a href="javascript:sent(new Date())">发送时间</a>
    </div>


</body>

</html>